baber/WOPTO huggingface dataset:
Patent GB-705958-A (GB)
Title: Improvements in or relating to electric wafer switch assemblies
IPC: H01H19/64
Filed: 1951-10-25
Abstract: 705,958. Mechanical switches, without quick action; switchboards. GENERAL ELECTRIC CO., Ltd., and WILSON, E. Oct. 22, 1952 [Oct. 25, 1951], No. 25004/51. Class 38(5) A radio receiver chassis comprises a plurality of screening compartments formed by metal walls 1, 2, 3 each compartment housing one or more wafer switches 7. The switches 7 are operated by a common metal shaft 8 connected through a coupling 9 to a manually operable spindle 10 extending from the front of the chassis, and are mounted by a pair of metal rods passing through the wafers, metal sleeves 13 on the rods acting as spacers between the switches, the sleeves 13 between the pair of switches 7 in the second compartment from the front carrying a bearing assembly 16 for the shaft 8. The support rods and the shaft 8 pass through separate holes 12 in the walls 3 and nuts 17 threaded on the ends of the rods hold all the sleeves 13 and wafers 7 together. Those sleeves 13 which pass through the walls 3 are threaded externally and secured to the walls by lock nuts 15. To replace a faulty wafer 7, the nuts 17 at the front ends of the support rods are removed and the coupling 9 is released thus permitting longitudinal withdrawal of the rods and the shaft 8, through holes 18 in the rear of the chassis until the wafer is freed therefrom. In order to achieve complete screening the sleeves 13 on each side of a wafer 7 are connected by straps 19 mounted on the wafers, and the shaft 8 is connected to the walls 3 by spring contacts each attached to a metal collar fixed to the shaft by a set screw and engaging one of the walls, Fig. 2 (not shown).
Patent GB-678015-A (GB)
Title: Improvements in or relating to magnesium base alloys
Inventor: JESSUP ALFRED CLAUDE
IPC: C22C23/00
Filed: 1949-09-29
Abstract: A magnesium-base alloy has the following composition:  Mg at least 50 per cent, Li over 10.3 per cent but not exceeding 20 per cent, Zr 0.4-0.9 per cent, at least 0.3 per cent of this element being in a condition in which it is readily soluble in an aqueous solution of hydrochloric acid consisting of 30 c.c.s of HCl (s.g. 1.16) in 85 c.c.s of water, sufficient acid being added during dissolution to maintain the original acid concentration.  Elements are absent which would form compounds with Zr which are insoluble in the molten alloy. One or more of the following elements may be present:  Zn up to 12 per cent, Cd up to 10 per cent, Ag up to 10 per cent, up to 10 per cent, Aq up to 10 per cent, Ba up to 2 per cent, Sr up to 2 per cent, Pb up to 2 per cent, Ca up to 2 per cent, Be up to 0.1 per cent, Na less than 0.1 per cent.  The alloys may be used in the cast or wrought form.  Specification 652,223 is referred to.
Patent GB-1367199-A (GB)
Title: Pump piston
IPC: F04B53/14
Filed: 1972-05-26
Abstract: 1367199 Pistons USS ENGINEERS & CONSULTANTS Inc 26 May 1972 [1 June 1971] 25083/72 Heading F2T A pump piston 14 comprises a body 18 having a flange 19, a wear ring 20 in a first annular recess next to the flange, an elastomer ring 21 in a second recess next to the first and a retainer plate 23 housed in a third recess next to the second and removably secured to the body by screws 24. The elastomer ring has a fabric portion 22 and the wear ring may be of ductile or malleable iron. In the double-acting piston shown, a wear ring, elastomer ring and retainer plate are provided on each side of the flange 19.
Patent GB-870663-A (GB)
Title: Plain bearings
Inventor: LOVE PHIL PRINCE
IPC: F16C35/02
Filed: 1958-08-05
Abstract: 870,663. Bearings. GLACIER METAL CO. Ltd. July 21, 1959 [Aug. 5, 1958], No. 25111/58. Class 12 (1). In a plain bearing assembly comprising a journal member 1, 2 attached to a shaft 5 and having a substantially spherical bearing surface and a bearing member in two parts 9, 12 surrounding and supporting the journal member, annular oil distribution grooves 20 are provided in the bearing member. Similar grooves 8 are provided in the journal member but these are offset towards the central plane of the bearing. The lower part 9 of the bearing member is formed to provide a sump which comprises longitudinally-extending passages 18, 19 connecting the lower parts of the grooves 20. On rotation of the journal, oil from the sump is supplied to the bearing surfaces via a central annular groove 22, catchment grooves 23 and oil distribution grooves 24. The bearing also includes flexible sealing rings 17, a window 25 through which the level of oil in the sump may be observed, a filling plug 26 and drain plugs 27. In a modification, shown in Fig. 6, the passage 19 and oil-feed groove 22 are omitted and, instead, cavities 29 communicating with the passages 18 are provided.
Patent GB-1516515-A (GB)
Title: Process for the preparation of insulin analogues and derivatives thereof
IPC: C07D207/46
Filed: 1975-06-12
Abstract: 1516515 Insulin, derivatives thereof and a process therefor HOECHST AG 12 June 1975 [12 June 1974] 25248/75 Heading C3H A process for the preparation of an insulin comprises (i) linking a natural or synthetic insulin A-chain having free, or protected, cysteine mercapto groups with a natural or synthetic insulin B-chain having free, or protected, cysteine mercapto groups, via the amino groups N<alphaA1> and N<#B29>, by means of a bridging group of general formula in which Met represents a L-methionine radical, or is an integer of 1 to 4 wherein one CH2 group may be replaced by an oxygen atom; (ii) cross-linking the A- and B-chains in the resulting compound of Formula (VI) wherein Y is hydrogen or an acyl group, SX represents a free or protected mercapto group and R represents the bridging group defined in (i), after removal of X, if other than H; (iii) treating the resulting compound of general formula (I) with cyanogen bromide in formic acid to produce an insulin of the general formula Compound (I) and (VI) are also claimed. Preferred Y groups are aliphatic alkanoyl and alkyloxycarbonyl of up to 6 carbon atoms, cycloalkanoyl of up to 10 carbon atoms, an acyl radical of an aromatic benzocyclic or aromatic heterocyclic carboxylic acid of up to 10 carbon atoms, an aminoacyl radical of a naturally occurring amino acid or the D-enantiomer or #-carboxylic acid thereof of up to 6 carbon atoms or an amino acyl group substituted at the nitrogen atom by alkanoyl or alkyloxycarbonyl groups of up to 6 carbon atoms. Derivatives of (I) and (VI) include substitution of the following groups; in the A-chain, Gln<5> and Gln<15> by Glu; Cys<7>, Ser<12>, Tyr<14>, Asn<18> and Asn<21> by Ala; Val<10> by Leu; Tyr<19> by Phe; in the B-chain, Phe<1>, Val<2>, Asn<3>, Gln<4>, His<5>, Cys<7>, Ser<9>, His<10>, Thr<27> and Pro<28> by Ala; in addition, the residues 1 to 4 and 30 in the B-chain may be absent, or any combination of any number of the above substitutions may be made. The preferred bridging agent is a compound of formula in which R is defined as above and OV represents an active ester preferably N-hydroxysuccinimide, p-nitrophenyl, 2,4,5-trichlorophenyl, pentachlorophenyl, pentafluorophenyl or 1-hydroxybenzotriazole ester. The pH of the reaction is preferably 0 to 3 (aqueous inorganic or organic acids) at temperatures of 0 to 35C. In the example, the insulins prepared are: bovine insulin, bovine insulin A-chain tetrasulphonate, N<alphaA1>, N<#B29>-bis(Boc)-N<alphaB1>-trifluoroacetyl bovine insulin, N<alphaA1>, N<#B29>-bis(Boc)- bovine insulin, N<alphaB1>-trifluoroacetyl bovine insulin N<alphaB1>-trifluoroacetyl bovine insulin disulphonate. Dipeptide intermediates isolated are: succinic acid bis(L-methionine methyl ester), succinic acid bis(L-methionine), succinic acid bis(L-methionine N-hydroxysuccinimide ester), glutaric acid bis- (L-methionine N-hydroxysuccinimide ester).
Patent GB-887952-A (GB)
Title: Improvements in apparatus for pumping pickle solution into meat products
IPC: G01G19/22
Filed: 1959-07-23
Abstract: 887,952. Pickling hams &c. HAGAN CHEMICALS & CONTROLS Inc. July 23, 1959 [Dec. 5, 1958], No. 25268/59. Class 49. [Also in Groups XVIII and XXIX] Pickle solution is pumped into a ham or the like in apparatus comprising means for weighing the ham and producing a signal proportional to the weight, force developing devices which are controlled by the weight signal and engage the beam of an auxiliary balance, means for maintaining a constant signal corresponding to the pre-pumped weight of the ham to one of the force developing devices while pickle is pumped into the ham, and means controlled by the auxiliary balance for stopping the pumping when a required weight of pickle has been added. Preferably the force developing devices are a pair of pneumatic devices 7, 8, of which the former loads one arm L 1  of the beam 19 of the auxiliary balance 9 with a constant force proportional to the pre-pumped weight and the latter loads the other arm L 2  with a force proportional to the increasing weight of the ham being pickled, the relative lengths of the beam arms being so arranged, by adjustment of the position of the pivot 21, that the moment of the former force about the pivot will equal that of the latter when a required proportion of pickle has been supplied. In use, the ham 1 tilts beam B of the weighing means so opening a valve 4d to admit fluid under pressure to act on diaphragm 4a, the pressure increasing until the force developed balances the weight of the ham and this pressure, which provides the weight signal, is communicated by pipes 5, 6 to the devices 7, 8 loading the auxiliary balance beam 19. Pickle pumping is initiated by lowering the handle of lever 47 of the device 11 whereby pressure fluid from pipe 41 is supplied to (a) a valve 19a by which pipe-line 5 is closed to maintain the force generated at 7 constant; (b) the " relay " 10 ; and (c) the valve 13 controlling the pickle pump 12. Relay 10 comprises an upper chamber 23 in communication with a valve 22 operated by beam 19 and separated by diaphragms 24, 27-of which the former has the larger effective area-from a valve 25, the space between the diaphragms being open to the atmosphere. Thus when lever 47 is operated, pressure in chamber 23 moves the plunger 32 of valve 25 downwardly so closing ball-valve 30 and opening ball-valve 31 to admit pressurefluid to the lower chamber of relay 10 and thence to act on diaphragm 48 of the device 11 to hold the pipe 41 open. When the required weight of pickle has been supplied the plunger 37 of valve 22 automatically descends and allows the pressure in chamber 23 to be relieved by opening it to the atmosphere, thus reversing the action of valve 25 and relieving the pressure on diaphragm 48 of device 11 thereby cutting off the supply of pickle. In an alternative construction pressure-fluid supply lines to valves 19a and 13 are connected not to pipe 43, as shown, but to the chamber surrounding valve 25 in the same manner as the connection to the housing 48a of the device 11.
Patent GB-462675-A (GB)
Title: Process for the manufacture of tetrakisazo dyestuffs containing copper
IPC: C09B33/26
Filed: 1935-09-11
Abstract: Tetrakisazo dyestuffs containing copper are made by combining, in either order, dihydroxy compounds of the benzene or naphthalene series capable of coupling twice, e.g. resorcinol, resorcinol-4-carboxylic acid, 2 : 6-dihydroxytoluene, 1 : 6- and 1 : 7-dihydroxynaphthalene-3-sulpho acid, in one case with a diazo compound suitable for yielding azo dyes which are capable of forming heavy metal complex compounds and in the other with a diazotized aminobenzoylamino disazo dye of the general formula A - N = N - M1 - N = N - M2 -- NHCO - X - NH2, (in which A represents the residue of an initial component of the benzene or naphthalene series, M1 is a residue of a middle component of the benzene or naphthalene series, M2 is a residue of a middle component of the benzene series and X is a residue of the benzene series, in which the --NH2 group is in m- or p-position to the --CO group), and acting with an agent providing copper in any phase of the manufacture of the dyestuff. The formation of the complex compounds may also be effected in the dye-bath or on the fibre.  They yield brown shades on vegetable material fast to light and are unaffected by brightening.  The following dyes are described in examples: (1) 2 - naphthylamine - 6 : 8 - disulphonic acid --> m-toluidine --> m-toluidine (p-aminobenzoylated) diazotized and coupled with resorcinol \sM 2-aminophenol-4-sulphonic acid treated with ammoniacal copper sulphate (yellowish brown on cotton or mixed tissues of cotton and viscose); the diazotized p-aminobenzoylamino disazo dye may also be coupled with the coppered monoazo dye 2-aminophenol-4-sulphonic acid --> resorcinol; coppering of the monoazo dye or of the final dyestuff may also be effected according to Specification 296,819, [Class 2 (iii)], when starting from 1-methoxy-2-aminobenzene-4-sulphonic acid, or according to Specification 388,332 when starting from 2-chloroaniline-5-sulphonic acid instead of 2-aminophenol-4-sulphonic acid; the latter may also be replaced by 2-amino-4-nitrophenol-6-sulphonic acid or 2-amino-6-nitrophenol-4-sulphonic acid or chlor-o-aminophenol sulphonic acids or o-aminocresol sulphonic acids or o-aminobenzoic acids; the diazotized p-aminobenzoylamino disazo dye may first be combined with the resorcinol and the product coupled with the p diazo compound; (2) 2-naphthylamine4 : 8-disulphonic acid --> a -naphthylamine --> 1 - methyl - 3 - amino - 4 - methoxybenzene (m- or p-aminobenzoylated) diaztoized and coupled with the monoazo dyestuff 2-chloraniline-5-sulphonic acid --> resorcinol coppered according to Specification 388,332; (3) 2-naphthylamine-3 : 6 : 8-trisulphonic acid --> m-toluidine --> m-toluidine (p-aminobenzoylated) diazotized and coupled with 1 : 6-dihydroxynaphthalene-3-sulphonic acid \sM 4-chloro-2-aminophenol treated with copper sulphate (dark brown on cotton).  A table of further combinations stating the shades obtained on cotton with the complex copper compounds is also given.
Patent GB-1181283-A (GB)
Title: Production of Nitriles
IPC: C07C255/49
Filed: 1967-06-01
Abstract: 1,181,283. Nitriles. BADISCHE ANILIN-& SODA-FABRIK A.G. 1 June, 1967 [2 June, 1966], No. 25317/67. Heading C2C. In a process for the production of carboxylic acid nitriles from the corresponding carboxylic acids and the nitriles of other carboxylic acids at elevated temperature a carboxylic acid is reacted whose pK value is less by at least 0À72 unit than the pK value of the carboxylic acid from which the starting nitrile has been derived. Specific nitriles prepared in the examples include o-bromo-, o-chloro- and ofluorobenzonitriles, and p-chloro- and p-nitrobenzo-nitriles.
Patent GB-1292020-A (GB)
Title: Trapezoidal telescoping crane boom
IPC: B66C23/70
Filed: 1971-04-19
Abstract: 1292020 Telescoping crane boom GROVE MFG CO 19 April 1971 [28 Sept 1970] 25326/71 Heading B8B A telescoping crane boom comprises a base section 20 and three further sections 21-23 all of which are trapezoidal in transverse crosssection, front and rear wear pads 34-34<SP>11</SP> and 39, 39<SP>1</SP> being mounted between adjacent sections and also front and rear lateral guides (63)-(63<SP>11</SP>), Fig. 5 (not shown), 64-64<SP>11</SP> for the movable sections which are extended and retracted by means of hydraulic rams mounted internally of the boom.
Patent GB-767155-A (GB)
Title: Improvements relating to domestic fireplaces
IPC: F24B1/19
Filed: 1954-09-01
Abstract: 767,155. Air supply for combustion; dampers. BELL & CO., Ltd., A., and BELL, N.. M. Aug. 30, 1955 [Sept. 1, 1954], No. 25340/54. Class 126 - The front member of a fireplace has a damper-controlled opening communicating with an air chamber receiving a supply of air from outside the room and having a damper-controlled upper outlet, and the dampers are actuated by a single control so that air is supplied either through the front member below the grate, through the upper outlet over the fuel bed, or both. The front wall 20 of a fireplace has an opening surrounded by rearwardly projecting flanges 22 and controlled by a damper 35 supported by lugs 37 on the front wall. The damper 35. is actuated by a cam 33 on a rod 30 passing through the flanges 22 and a boss 28 formed at the centre of the upper part 23 of the front wall. The cam 33 also engages a crank 38, pivoted on the front wall, which raises a damper 40 controlling the upper open end of an air chamber 41. The head 31 of the rod 30 is shaped to engage a suitable tool, the cam 33 has a number of grooves to engage the enlarged foot of the crank 38 to provide settings for the control, and the damper 40, in its closed postion, rests on the top of the air chamber. Specification 714,785 is referred to.
Patent GB-715209-A (GB)
Title: Improvements in arrangements of decompression valves in multi-cylinder internal-combustion engines
IPC: F01L13/08
Filed: 1951-11-01
Abstract: 715,209. Starting. MASCHINENFABRIK AUGSBURG-NURNBERG AKT.- GES. Nov. 1, 1951 [Nov. 4, 1950], No. 25552/51. Class 7(5) In a multi-cylinder engine having an even number of cylinders 1, 2 each with a decompression valve 5, 6 that opens inwardly and closes under the action of a separate spring 7, 8, the valves 5, 6 of each pair of adjacent cylinders are coupled to move in opposite directions through a connection which is only operative during engine starting, the valves being so arranged that by cranking the engine the valve 6 of one cylinder 2 is moved by the piston 4 in the closing direction and the adjacent valve 5 is moved in opening direction against the action of its spring 7. The outer end of each valve stem supports one extremity of a lever 9 movable about a pivot 10 that has a roller 11 thereon which is connected to the lever 9 by a oneway driving connection comprising a ratchet 12, fixed to the roller 11, and a pawl 13, secured to the lever 9; the roller 11 cooperates with a sector member 14 acting as a link and rocking about a fixed point 15. The pivot 10 is displaced downwards by a guide, not shown, into the operative position whereupon the member 14 pivots until its outer edge 16 abuts the roller 11, at the same time the valve 6 is opened until it contacts the piston 4 and the other valve 5 is fully opened. To start the engine the crankshaft is rotated whereby piston 4 moves inwardly so that valve 6 continues to open and valve 5 commences to close until the forces exerted by the valve springs 7, 8 are balanced through the lever 9 which consequently ceases its clockwise rocking movement. Continued cranking of the engine causes piston 3 to contact valve 5 and move it in the closing direction whereby valve 6 is further opened; when pston 3 has passed T.D.C. the same sequence takes place in the reverse direction so that the lever 9 is rocked in an anti-clockwise direction which movement is transmitted through pawl 13 and ratchet 12 to the roller 11 thereby translating the latter a certain distance over the edge 16 and effecting a clockwise movement of the member 14. After a given number of crankshaft revolutions the roller 11 has moved over the entire length of edge 16 and is out of contact therewith so that the supporting action of the member 14 ceases and the lever and associated parts are returned by a spring, preferably the valve spring, to the inoperative position illustrated.
Patent GB-405578-A (GB)
Title: Improvements in and relating to totally enclosed refrigerating machines
IPC: F25B1/04
Filed: 1933-09-15
Abstract: 405,578. Refrigerating. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. Sept. 15, 1933, No. 25581. Convention date, Sept. 19, 1932. Addition to 385,928. [Class 29.] Vacuum systems.-In a totally enclosed refrigerating-machine in which the motor space is under liquefier pressure and the compressor housing is under evaporator pressure, according to the parent Specification, the motor is housed in a space which is also under evaporator pressure, the internal space of the motor, which contains the windings, only being under condenser pressure. The housing 32 containing the compressor 9 and the motor 8 communicates with the evaporator 3 through an opening 31. The interior of the motor casing communicates with the condenser 2 through conduits 13, 14, and is sealed from the space 32 under evaporator pressure by enclosing the motor shaft in a stuffing box.
Patent GB-193351-A (GB)
Title: Improvements in tyres for vehicle wheels
IPC: B60C19/12
Filed: 1922-09-21
Abstract: 193,351. Develey, M. N. A. May 23, 1922, [Convention date]. Addition to 181,707. Air tubes and chambers; jackets and covers.- In tyres of the kind described in the parent Specification the ribs on the diaphragm separating the inner inflated chamber from the outer cushion chamber are formed with lateral grooves to augment the circulation of air which is admitted through the vents 39. The same effect may be obtained by means of isolated projections on the diaphragm, and these may be arranged to intermesh with similar projections cn the inner surface of the tyre cover. The edges of the diaphragm may be extended so as to be gripped between the air-tube and the edges of the cover. In the construction shown in Fig. 7, the diaphragm is formed in two parts 46, 47 each with a fabric backing and connected at the lapped edges. In the modification shown in Fig. 9, both parts 54, 55 of the diaphragm are formed with projections, and the space between the parts may be inflated through a valve at 57.
Patent GB-705106-A (GB)
Title: An improved means of mounting electric hot plates in cookers
Inventor: TONKS PERCY
IPC: F24C15/10
Filed: 1951-11-02
Abstract: 705,106. Hot-plates. REVO ELECTRIC CO., Ltd. Nov. 3, 1952 [Nov. 2, 1951], No. 25630/51. Class 126 ,A hot-plate in an electric cooker is mounted in a cradle having a number of upstanding arms with outwardly directed extremities engaging the edge of the cooker hob surrounding an aperture so that the cradle depends from the arms, and is supported on pins upstanding from the cradle. A step 3b surrounds the aperture in the cooker hob 3, and upwardly projecting arms 4a provided on a ring 4 have outwardly directed lugs 4b which engage recesses 3c in the step 3b. Screw pins 5 in the ring 4 enable hot-plates of differing types to be levelled with the hob 3, and ring 7 of inverted channel cross section closes the gap between the hob 3 and the hot plate. The outer wall of the ring 7 is shorter than the inner wall, so that it rests on the step 3b, while the inner wall depends between the arms 4a and the hot-plate unit 6.